The document provides an overview of the freshwater fish species Chanda Nama found in Bangladesh, highlighting its physical characteristics, habitat, and ecological significance. It outlines the species' economic importance as a food source and its role in controlling mosquito populations. Additionally, it mentions the conservation status of Chanda Nama as vulnerable and emphasizes the need for habitat restoration efforts.

1. Fresh water fishes of bangladesh
Genus : CHANDA

2.  INTRODUCTION:
1. small ovate and fairly transparent fishes
2. having vertebral column with its adjoining elements
3. supraorbital ridge smooth, ending in an indistinct spine
4. mouth large with a conspicuous lower jaw
5. teeth villiform on the jaws
6. scales minute, partly deciduous
7. lateral line indistinct

3. Nama chanda and Fali chanda

4. SPECIES:
chanda nama
English names: Elongate glass-perchlet , asian
Glass fish
Local names: Nama chanda , chanda
 Taxonomic Position:
Phylum: Chordata
Class: Osteichthyes
Order: Perciformes
Family: Centropomidae
Genus: Chanda
Species: Chanda nama

5.  Description:
 External feature:
 1. Body ovate & strongly
compressed.
 2. Mouth large with a
prominent lower jaw.
 3. Teeth villiform on the jaw.
 4. Scales minute, often
irregularly arranged.
 5. Lateral line with 100-107
scales.
 6. Caudal fin black & orange
 :Habits & Habitats
 1. Lives in fresh & brakish
waters, both in standing &
running waters.
 2. Swims through the
flooded paddy fields in
schools during the rainy
season.
 3. Breeds everywhere
during the rainy season.

6. Morphological
description:
 1. Body is compressed &
laterally flat.
 2. Dorsal & ventral profile is
almost equally convex.
 3. Lateral line is partly
distinct.
 4. Second dorsal spine is
longest.
 5. Scales are minute and
rounded.
 6. Caudal fin is forked & it is
black and orange.
 7. A small black spot is found
at the origin of the base of
anal fin.
 8. Lower jaw is longer than
upper jaw.

8.  Economic importance:
1. Nama chanda is well known as a small
indigenous species (SIS) of fish of bangladesh.
2. People use it as the part of their delicious food
item.
3. It is very much famous food in rural bangladesh.
4. Good source of nutrition but low price in the
market.
5. This species could effectively be used in the
control of mosquito eggs & larvae.
6. Also used as an aquarium fish.

9.  Ecological role:
 The presence of
these fishes checks
mosquito breeding
only to a small
extent while it
effectively reduces
the density of
cyclops. So, this
species could
effectively be used in
the control of guinea
worms & also for
malarial control.

10.  Status &
Conservation:
 Considered as vulnerable in the Red list of IUCN
Bangladesh(2000). Habitat restoration and
conservation measures are required to protect this
fish..
 Marketing status:
 Market price of fresh fish is recorded 30-50
TK/Kg

11.  Remarks:
 Studies show that the fish feeds on the scales of other species of
fish. Scale eating is predominantly seen in adults. The species dislodges the
scales of its prey by ‘RAKING’ the flanks with its lower jaw, which is armed
with curved conical teeth..
 References:
 1. Encyclopedia of flora and fauna of Bangladesh,
Freshwater fishes, volume 23, p.180
 2. Rahman, A.K.A. 2005. Freshwater Fishes of Bangladesh.
The Zoological society of Bangladesh, Dhaka, P.339-340
 Hamilton, F.1822. Fishes of the ganges, Archibad constable
& company, Edinburgh, P.109

13. Thank you
That’s all for the time being
Created by…
Md. Saiful islam
Roll: ASH1602050M
FIMS, 11 batch